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Ravinder Ghanghas

Mar 9, 2014

periodic table 1 to 30 plz give me with atmoic no. mass valency neutron proton and electronic configrution



sir these are given in book i want 21 to 30

Nov 26, 2014

WHAT IS THE POSTULATES OF RUTHERFORD'S ATOMIC THEORY?



Postulates of Rutherford nuclear model:
• Positive charge is concentrated in the center of the atom, called nucleus.
• Electrons revolve around the nucleus in ...

Jaya

Nov 15, 2013

what are isotopes and isobars ? with examples and in simple Language



Ans:  Isotopes: The atoms which posses same atomic number (the atoms same element) but different mass number are called Isotopes.
Ex:

Kanishka Tayal

Feb 28, 2014



Ans:

Ans:

According to JJ Thomson’s atomic model.
• An atom is a positively charg...

BAISHALI Rath

Mar 11, 2015



Ans:
Draw backs of

Archit Chauhan

Jan 23, 2015

What is covalency and electrovalency?



Ans: Covalency: The number of electrons that an atom can shared to get ...

Prashoon Chandrakar

Feb 19, 2015

Examples of  isotopes and isobars.



Examples of Isotopes:
Isotopes of Hydrogen- Hydrogen – 1, Hydrogen – 2, Hydrogen - 3

Isotopes of Oxygen – Oxygen -16, Oxygen -17, Oxygen -18

Isotopes of Carbon &#...

Harleen Kaur

Feb 23, 2014

pls answer fst



As because gold is very highly malleable then other if any other metal sheet is used the experiment is quite succesful

Mar 21, 2015

a)Calculate molar mass of S8. b) Convert into mole : i) 12 gram of oxygen gas ii) 32 gram of oxygen



a) Sulphur is a poly atomic molecule. It is made up of 8 sulphur atoms.

Aanya

Feb 4, 2015

How to learn the atomic mass and valencies of elements easily?



For your grade you need to remember atomic masses of first 20 elements.

Ravinder Ghanghas

Mar 9, 2014

periodic table 1 to 30 plz give me with atmoic no. mass valency neutron proton and electronic configrution



sir these are given in book i want 21 to 30

Nov 26, 2014

WHAT IS THE POSTULATES OF RUTHERFORD'S ATOMIC THEORY?



Postulates of Rutherford nuclear model:
• Positive charge is concentrated in the center of the atom, called nucleus.
• Electrons revolve around the nucleus in ...

Jaya

Nov 15, 2013

what are isotopes and isobars ? with examples and in simple Language



Ans:  Isotopes: The atoms which posses same atomic number (the atoms same element) but different mass number are called Isotopes.
Ex:

Kanishka Tayal

Feb 28, 2014



Ans:

Ans:

According to JJ Thomson’s atomic model.
• An atom is a positively charg...

BAISHALI Rath

Mar 11, 2015



Ans:
Draw backs of

Archit Chauhan

Jan 23, 2015

What is covalency and electrovalency?



Ans: Covalency: The number of electrons that an atom can shared to get ...

Prashoon Chandrakar

Feb 19, 2015

Examples of  isotopes and isobars.



Examples of Isotopes:
Isotopes of Hydrogen- Hydrogen – 1, Hydrogen – 2, Hydrogen - 3

Isotopes of Oxygen – Oxygen -16, Oxygen -17, Oxygen -18

Isotopes of Carbon &#...

Harleen Kaur

Feb 23, 2014

pls answer fst



As because gold is very highly malleable then other if any other metal sheet is used the experiment is quite succesful

Mar 21, 2015

a)Calculate molar mass of S8. b) Convert into mole : i) 12 gram of oxygen gas ii) 32 gram of oxygen



a) Sulphur is a poly atomic molecule. It is made up of 8 sulphur atoms.

Aanya

Feb 4, 2015

How to learn the atomic mass and valencies of elements easily?



For your grade you need to remember atomic masses of first 20 elements.

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